Aunt Kathy's Warm Spinach and Artichoke Dip

In a large sauce pan add half and half, cheeses and cream cheese. Add 2 T garlic powder salt and pepper to taste. Melt over low heat. When melted, add spinach, roasted red peppers and artichoke hearts. Continue to heat until thick and bubbly. Serve with tortillia chips or sliced pita bread pieces.